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Electric Circuits

Electric Circuits
Condition for reciprocity in case of ABCD parameters is

 AD-BC = 0.
  AB-CD = 0.
 AD-BC = 1 .
 AB-CD = 1.

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Electric Circuits
The terminals across the source are ___________ if a voltage source is to be neglected.

 open circuited.
 replaced by a shunt resistance.
 short circuited.
 replaced by a series resistance.

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Electric Circuits
A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest?

 1000 Hz.
 100 Hz.
 10 Hz.
 1 Hz.

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Electric Circuits
In the cauer-1 form of LC network---------is series element and --------is shunt element respectively?

 C and L
 C and C
 L and C
 L and L

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Electric Circuits
In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage?

 3V
 4V
 7V
 5V

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Electric Circuits
Constant K type HPF (high pass filter) having cut off frequency 12 KHz and nominal impedance Ro = 500 Ω Find shunt arm inductor L and series arm capacitance C for T and π section of HPF ?

 None of these.
 L = 3.316 mH, C = 0.0132 μF.
 L = 3.316 mH, C = 132 μF.
 L = 0.0132 mH, C = 0.0132 μF.

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